package com.baizhi.service.impl;

import com.baizhi.service.UserService;

public class UserServiceImpl implements UserService {
    @Override
    public void insert() {
        System.out.println("我是目标类中的insert方法。。。。我做了核心的操作。。。");
    }
    public int insert(int id){
        return 1;
    }
}
